[Bug 226562] [stable/10] backport pci/cardbus hot-remove support from FreeBSD 11 to 10

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=226562

--- Comment #3 from Dexuan Cui <decui at microsoft.com> ---
(In reply to Dexuan Cui from comment #2)

With the pci-part-only patch + today's
stable/10(582e947f376bee9d92f3439a0516cf7b78106eb8), I'm able to hot add/remove
Mellanox VF 10 times without any panic.

I made the patch by ignoring the cardbus part, the sparc64/powerpc parts, and
ignoring the changes to sys/dev/pci/pci_iov.c, which doesn't exist in FreeBSD
10.


jhb is helping to MFC all the related patches to stable/10. Thank you, jhb!

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